NGP 4447S, 4447WH Actuated Auto Door Bottom Owner’s Manual
- September 6, 2024
- NGP
Table of Contents
National Guard Products Inc.
1-800-647-7874
4447S, 4447WH
Automatic Door Bottom (for single doors only)
WARNING: Maximum drop is 1/2″ Adjusting beyond 1/2″ drop will damage door
bottom, and void warranty.
Unit is factory sized to fit net door width.
Installation Instructions
- Mortise bottom of the door on centerline 7/8″ wide x 1-1/4″ deep.
- Hand the door bottom. Pull and turn each side of the beveled actuator rod setting beveled edges facing stops on frame.
- Trim gasket material to extend just beyond each end of the door bottom.
- Position door bottom in mortis with actuator rod toward hinge edge; mark screw holes.
- Drill pilot holes for screws using 5/64″ drill bit.
- Install door bottom with screws provided.
- Set for proper seal. To increase the drop, pull and turn the beveled actuator rods left. To reduce the drop, pull and turn the beveled actuator rods right. Maximum Drop = 1/2″.
FIELD SIZING:
Maximum cut is 1-1/2″ each end. Only cut both ends if it is necessary to cut more than 1-1/2″.
- Remove screw in face of housing at end to be cut.
- Pull entire rod assembly out of housing.
- Remove beveled actuator rod from the plastic sleeve.
- Unscrew beveled actuator from the rod.
- Cut plastic sleeve at end without holes; and threaded end of rod the same amount.
- Slide gasketing clear of end to be cut.
- Cut housing and drop bar, by the same amount as the rod and plastic sleeve were cut.
- Slide gasketing back into place and trim to extend just beyond each end of the door bottom.
- Re-assemble everything and slide the rod assembly back into the door bottom. Then replace the screw.
POSITIVE PRESSURE TESTED GASKETING MATERIALS
FOR FIRE DOORS
FOR APPLICATION TO HOLLOW-METAL-TYPE FIRE DOORS
RATED UP TO 3 HOURS AND WOOD-TYPE FIRE DOORS
RATED UP TO 1-1/2 HOURS.
CATEGORY H
Smoke and Draft Control gasketing (Category H) tested to UL 1784; meets
requirements of NFPA 105, IBC for use on “S” label doors.
3.15
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